/*
day379 
2020.9.10 
*/
#include<iostream>
#include<vector>
using namespace std;

class Solution {
public:
    int fib(int N) {
		if(N<=1)
		{
			return N;
		}
		
		return fib(N-1)+fib(N-2);
    }
};

int main()
{
	return 0;
 } 



